Concrete-reenforcing member



Nov. 10, 1925.

J. c. TIMM CONCRETE REENFORCING MEMBER Filed July 5, 1921 INVENTOR.

Patented Nov. 10, 1925.

UNITED S T ES JOHN C. TIMM, F YOUNGSTOWN, OHIO.

CONCRETE-REENFORCING MEMBER.

Application filed July 5,

To all whom it may concern.-

Be it known that 1, JOHN G. Turn, a citizen of the United States, and aresident of Youngstown, county of Mahoning, and

State -of Ohio, have invented a new and use 'ful Improvement inConcreteReenforcing Members, of which the following is a specification,the principle of the invention being herein explained and the best modein which I have contemplated applying that principle, so as todistinguish it from other inventions.

This invention relates to reenforcing elements for concreteconstruction. More particularly it involves insert members so con- 16st-ructed as to be securely anchored in the adjacent concrete and havingan outer face designed to be seated flush with the surface of theconcrete so as to serve as at protecting element therefor and wheredesired, also afford a point of attachment for shaft hangers, fixtures,etc., in concrete buildings. The object of my invention is to improvemetallic inserts of this character and to distribute the metal used intheir manufacture in such a manner that the maximum of supportingstrength may be obtained from the least amount of structural material.Through the use of an I-beam cross-section, I may produce an insert ofgreat rigidity. Furthermore, instead of punching out sections of metaland anchoring the members by means of auxiliary parts, I form theanchoring members from the punched out portions. Other objects of myinvention will appear in the course of the following description.

My invention also includes a simplified method of producing areenforcing member of this character and in place of a series of machineoperations, I employ but two operations, a rolling and a pressingoperation. This may be followed by a punching operation to provide theanchoring elements referred to, where it is desired to so imbe-d thereenforcing member as to permit it to withstand severe strain.

To the accomplishment of the foreogoing and related ends, saidinvention, then, consists of the means hereinafter fully described andparticularly pointed out in the claim. I

The annexed drawing and the following description set forth in detailcertain mechanism embodying the invention, such disclosed meansconstituting, however, but one 1921. Serial No. 482,301.

of various mechanical 'forms in which the principle of the invention maybe used.

In said annexe-d drawing Fig. l isa perspective view of areenforcing-insert showing a channelway with an anchoring element inplace, as well as an auxiliary reenforcing bar;

Fig. 2 is a detail perspective view show ing the end closure of achannelway in position;

Fig. 3 is a fragmentary bottom plan view; Figs. l to 7 are each detailcross-section views showing the channeled insert at various stages ofits construction;

Fig. 8 is a perspective view ofthe curbbar type of insert, and

Fig. 9 is a cross-section view "of the bar crete constructions (seeFigs. 8, 9) or it I may be an insert bar 3 in which the outer portion 4is of channel-like form designed to provide an anchorage or point ofattachment for shaft hangers and fixtures of various kinds.

In making an insert bar of the type shown in Figs. 1 to 7 inclusive, buttwo operations are employed to shape the main portion thereof.

First a bar is rolled to the cross-sectional outline shown in Figs. 6and 7, having a central upstanding web 5 on its upper side and narrowdownwardly extending flanges 6 at the margins of its horizontnllvextending portions 7. At intervals regular indentations 8 are formed inthe lower edges of the opposite flanges (see Fig. 3). At the top of theweb 5 a T-head 11 may be formed giving to the entire insert bar thestructural strength of an I-beam.

As the second step in forming the channeled insert, the outer sectionsof the horizontally extending portions 7 to each side of the position ofthe web 5, are pressed downwardly to vertical position, as shown in Figs4 and 5, and the lower portion of the insert bar is then ofsubstantially rectangular cross-section, the narrow flanges 6 formingits base having their adjacent edges 9, which may then be moved in theslot to any position desired.

To prevent plastic concrete entering the channel-way, the open endsthereof, prior to insertion of the bar, into permanent position,v areclosed by means of caps 10, preferably formed of light metal and havinga notched flange to closely engage the end of the channel portion of thebar.

The web preferably has punched therefrom two holding elements, 14; and15, bent in opposite directions and preferably attached to the Webatrespectively opposite ends. These punched out elements serve asanchoring members for the insert and are most: effective when bentdownwardly as well as outwardly so as to have their lower ends 16 atanangle to their original position in the web. The bending back of theanchoring members also permits a bar 17 to be inserted through theopening 18 so formed at right angles to the insert member where suchadditional reenforcing seems desirable.

Where the reenforcing bar is designed for use as a curb bar 1, (Figs. 8and 9) to be set at an angle upon a curb or upon the edge of a column orupon any other edge of'a construction where a corner bead or curbreenforcement is necessary, the anchoring elements, 21 and 22, may bebent in the same manner as that above described or the punched outportions may be formed to one side of the web entirely and be attachedto the web at the same ends (see Fig. 8) although where specialrequirements make it necessary the adjacent elements may be oppositelydirected.

Other modes of applying the principle of my invention may be employedinstead of the one explained, change being made as regards the mechanismherein disclosed,.providedthe means stated by the following claim or theequivalent of such stated means be employed. I 1

I therefore particularly point out and distinctly claim as my inventionA combined reenforcing and protecting metallic insert for concretestructures comprising a face portion adapted to be exposed as a part oftheouter surface of such structure, a web member with a T-shaped headadapted to be imbedded in said concrete 60 forming substantially anI-beam with said* face portion and elongated integral anchoring membersinclined downwardly and outwardly from said web member to maintain saidreenforcing member in immovable relation to the adjacent concrete, saidanchoring members leaving elongated openings in said web members.

Signed by me, this 29 day of June, 1921.

JOHN C. TIMM.

